Luminaire body, face ring and lighting device

Abstract

The present disclosure discloses a luminaire body, a face ring and a lighting device. The luminaire body includes: a lamp, and at least one rotating shaft disposed on a sidewall of the lamp. The rotating shaft includes an elastic mechanism. One end of the elastic mechanism serves as a connection end which is disposed on the sidewall of the lamp. At least one first rabbet is provided in the elastic mechanism in a direction away from the connection end.

The invention claimed is: 
     
       1. A luminaire body, comprising: a lamp, and at least one rotating shaft disposed on a sidewall of the lamp, wherein:
 the rotating shaft comprises an elastic mechanism; 
 a first end of the elastic mechanism serves as a connection end which is disposed on the sidewall of the lamp; and 
 at least one first rabbet is formed in the elastic mechanism at a second end of the elastic mechanism in a direction away from the connection end, and a first limiting unit is disposed at the second end of the elastic mechanism. 
 
     
     
       2. The luminaire body according to  claim 1 , wherein the rotating shaft further comprises: a mounting part disposed on the sidewall of the lamp, the connection end is disposed on the mounting part. 
     
     
       3. The luminaire body according to  claim 1 , wherein the first rabbet is a C-shaped rabbet. 
     
     
       4. The luminaire body according to  claim 1 , wherein: four first rabbets are provided in a direction away from the sidewall of the lamp; a circular rabbet is formed in a center of the elastic mechanism; three grooves are provided in a direction from the circular rabbet toward an outer wall of the elastic mechanism; and the three grooves form a Y-shaped rabbet. 
     
     
       5. The luminaire body according to  claim 1 , wherein:
 two rotating shafts disposed on the sidewall of the lamp in a 180° axisymmetric manner. 
 
     
     
       6. A face ring comprising one end configured to be sleeved on a luminaire body, wherein:
 the luminaire body comprises a lamp, and at least one rotating shaft disposed on a sidewall of the luminaire body, the rotating shaft comprises an elastic mechanism, a first end of the elastic mechanism serves as a connection end which is disposed on the sidewall of the luminaire body, and at least one first rabbet is formed in the elastic mechanism at a second end of the elastic mechanism in a direction away from the connection end, and a first limiting unit is disposed at the second end of the elastic mechanism; and 
 another end of face ring is configured to be fixed to a mounting face, and the face ring comprises: a face ring body and an inner ring surface, and the inner ring surface has a circular ring structure protruding from the face ring body in a direction away from the mounting face, and the inner ring surface and the face ring body form a holding part for mounting the luminaire body; at least one connection unit is disposed on an outer wall of the inner ring surface, and the connection unit is configured to be connected to the rotating shaft. 
 
     
     
       7. The face ring according to  claim 6 , wherein the connection unit comprises two clamping parts extending from an end face of the inner ring surface in a direction away from the mounting face; the two clamping parts and the inner ring surface form a second rabbet and the rotating shaft is connected to the second rabbet; inclined guide faces are provided on an inner wall, on the side fitting the rotating shaft, of the clamping part; a mating hole is formed in the bottom of the second rabbet. 
     
     
       8. The face ring according to  claim 7 , wherein an included angle between the two inclined guide faces is 30±5°, a length of a circular arc at the opening of the mating hole is smaller than ½ of a circumference of the mating hole, and spring mounting grooves are formed between the ends of the two inclined guide faces and top ends of the clamping parts in a direction far away from the mounting face. 
     
     
       9. The face ring according to  claim 6 , wherein the face ring is a part of a lighting device which comprises the luminaire body, and the face ring is attachable to the luminaire body. 
     
     
       10. The face ring according to  claim 9 , wherein, upon the face ring being sleeved on an outer side of the luminaire body, the luminaire body fits an inner wall of the inner ring surface, and the first limiting unit of the luminaire body fits an outer wall of the inner ring surface;
 and the elastic mechanism is arranged in the mating hole. 
 
     
     
       11. A lamp housing assembly, comprising:
 a face ring having a first mounting space therein, wherein two first sliding faces are formed opposite to each other on an outer surface of the face ring, and a second mounting space is provided on the first sliding face; and 
 a housing disposed in the first mounting space, wherein two rotating shafts are connected to the housing, and each rotating shaft is rotatably connected with the corresponding second mounting space; an adjusting block is disposed on each of the rotating shafts; the adjusting block presses against the corresponding first sliding face, and a guide block is disposed on the first sliding face to guide rotation of the adjusting block. 
 
     
     
       12. The lamp housing assembly according to  claim 11 , wherein the first sliding face is a flat face, the rotating shafts and the adjusting blocks are made of an elastic material, and the face ring comprises a first tubular end and a second tubular end; the second mounting space comprises a first end which is an open end and located on the second tubular end, and a second end which is a closed end; and the rotating shaft is rotatably connected with the second end. 
     
     
       13. The lamp housing assembly according to  claim 12 , wherein a surface of the second end is a circular-arc-shaped surface, and the second mounting space is gradually reduced in size in a direction from the first end to the second end. 
     
     
       14. The lamp housing assembly according to  claim 11 , wherein the rotating shaft, the adjusting block and the housing are integrally formed by injection molding. 
     
     
       15. The lamp housing assembly according to  claim 11 , wherein a length direction of the adjusting block is perpendicular to an axis of the face ring. 
     
     
       16. The lamp housing assembly according to  claim 11 , wherein the adjusting block comprises a face that is oriented toward the housing, and a protrusion is on the face of the adjusting block; and wherein a face of the protrusion that is oriented toward the housing is a second sliding face; and the second sliding face rotatably connected with the first sliding face. 
     
     
       17. The lamp housing assembly according to  claim 16 , wherein a face, oriented toward the second mounting space, of the guide block, is a first guide face, and a face, opposite to the first guide face, of the adjusting block is a second guide face; and both of the first guide face and the second guide face are circular-arc-shaped faces; and the first guide face is in sliding fit with the second guide face. 
     
     
       18. The lamp housing assembly according to  claim 17 , wherein two guide blocks are provided, the two guide blocks are located oppositely on two sides of the second mounting space. 
     
     
       19. The lamp housing assembly according  claim 17 , wherein an end, oriented toward the first guide face, of the adjusting block is an outer end, and the protrusion is disposed on the outer end of the adjusting block. 
     
     
       20. The lamp housing assembly according  claim 17 , wherein the lamp housing assembly is a part of a spot lamp which comprises a light-emitting assembly, and the light-emitting assembly comprises a lamp and is mounted in a mounting cavity.